Publications

SSRN

2015
Article

Scalable Detection of Anomalous Patterns With Connectivity Constraints

By: Skyler Speakman, Edward McFowland III and Daniel B. Neill

We present GraphScan, a novel method for detecting arbitrarily shaped connected clusters in graph or network data. Given a graph structure, data observed at each node, and a score function defining the anomalousness of a set of nodes, GraphScan can efficiently and... View Details

Keywords: Biosurveillance; Event Detection; Graph Mining; Scan Statistics; Spatial Scan Statistic

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19 Nov 2001
Research & Ideas

Alfred Chandler on the Electronic Century

public use—major new products of either consumer electronics or computer hardware with their essential software technologies. In the United States, no enterprise had the capability to commercialize new consumer electronics technologies.... View Details

Keywords: by Alfred D. Chandler, Takashi Hikino & Andrew Von Nordenflycht; Computer; Computer; Computer; Computer; Computer

2011
Article

Scalable Detection of Anomalous Patterns With Connectivity Constraints

By: Skyler Speakman, Edward McFowland III and Daniel B. Neill

We present GraphScan, a novel method for detecting arbitrarily shaped connected clusters in graph or network data. Given a graph structure, data observed at each node, and a score function defining the anomalousness of a set of nodes, GraphScan can efficiently and... View Details

Keywords: Biosurveillance; Event Detection; Graph Mining; Scan Statistics; Spatial Scan Statistic

January 2017
Case

Danaher Corporation, 2007–2017

By: John R. Wells and Gabriel Ellsworth

On July 2, 2016, Danaher Corporation completed the spinoff of Fortive Corporation. The previous day, Danaher’s stock price had reached an all-time high. In 2015, Danaher had decided to split off its test and measurement, fuel and fleet management, and automation... View Details

09 Mar 2009
Research & Ideas

How to Revive Health-Care Innovation

business model innovation has stalled in the last three decades. Regulations and reimbursement systems currently trap in high-cost venues much care that could be provided in lower-cost, more convenient business models. Other disruptions fail because they lack new value... View Details

Keywords: by Clayton M. Christensen, Jerome H. Grossman, M.D. M.D. & Jason Hwang; Health

2009
Article

Running Out of Numbers: Scarcity of IP Addresses and What To Do About It

By: Benjamin Edelman

The Internet's current numbering system is nearing exhaustion: Existing protocols allow only a finite set of computer numbers ("IP addresses"), and central authorities will soon deplete their supply. I evaluate a series of possible responses to this shortage: Sharing... View Details

Keywords: Internet; Performance Capacity; Technology Networks; Market Transactions; Resource Allocation; Policy; Price; Information Technology Industry

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April 1998
Case

Compaq, 1998

By: Steven C. Wheelwright and Matt Verlinden

In 1997, Compaq Computer Corp. had become a $25 billion powerhouse. It had accomplished its revenue growth projections, successfully made a number of strategic acquisitions, and increased its gross margins, principally by moving up market into servers, workstations,... View Details

Keywords: Mergers and Acquisitions; Transformation; Customer Relationship Management; Profit; Revenue; Growth and Development Strategy; Brands and Branding; Distribution Channels; Alliances; Customization and Personalization; Computer Industry

August 2003 (Revised September 2003)
Case

Tower Software

Tower Software (TS) is a publicly traded corporation engaged in multiple facets of the computer software business. Its flagship product, TS SERVE, is a successful proprietary network operating system. TS also develops and sells applications software for word... View Details

Keywords: Applications and Software; Product Launch; Web Services Industry; Information Technology Industry

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Thomas R. Eisenmann is the Howard H. Stevenson Professor of Business Administration at the Harvard Business School; Peter O. Crisp Faculty Chair, Harvard Innovation Labs; and Unit Head of the HBS Entrepreneurial... View Details

Keywords: computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer; computer

February 1999 (Revised May 1999)
Case

Onsale, Inc.

By: Youngme E. Moon

Onsale has been a pioneer in electronic commerce, offering excess and refurbished goods using an online auction format. The company is now planning to become a player in the highly competitive world of first-run computer merchandise as well. However, unlike other... View Details

Keywords: Business Model; Transformation; Customers; Brands and Branding; Auctions; Network Effects; Strategic Planning; Competitive Strategy; Internet and the Web; Retail Industry

September 2023 (Revised April 2024)
Case

Atomwise: Strategic Opportunities in AI for Pharma

By: Satish Tadikonda

Abraham Heifets and his co-founder, Izhar Wallach, had founded Atomwise to develop i) an AI engine to transform drug discovery by creating better medicines faster, and ii) a machine learning-based discovery engine that combined the power of convolutional neural... View Details

Keywords: Business Model; Business Startups; AI and Machine Learning; Science-Based Business; Technological Innovation; Biotechnology Industry; Pharmaceutical Industry